kernelPackages.nix

# 6min kernel, 7m30 zfs, on community box
{ pkgs ? import <nixpkgs> {}}: with pkgs;
linuxPackagesFor ((buildLinux rec {
  src = fetchFromGitHub {
    owner = "friendlyarm";
    repo = "kernel-rockchip";
    rev = "decbad503ca983f939baca6c19a79117b11f5bd6";
    sha256 = "1mwykah9yr68gscrc8lqi3jay4553yq9cs86m5b21wizm5ikhpfn";
  };
  version = "4.4.154";
  defconfig = "nanopi4_linux_defconfig";
  structuredExtraConfig = with import (pkgs.path + "/lib/kernel.nix") {inherit lib version;}; {
    CROSS_COMPILE = freeform "";
    IKCONFIG = yes;
    IKCONFIG_PROC = yes;
    BPF_SYSCALL = yes;
    IP_NF_MATCH_RPFILTER = yes;
  };
  allowImportFromDerivation = true;
  kernelPatches = [];
}).overrideAttrs (o: {
  buildFlags = ["nanopi4-images"] ++ o.buildFlags;
  nativeBuildInputs = [ lz4 ] ++ o.nativeBuildInputs;
  postInstall = o.postInstall + ''
    cp $buildRoot/kernel.img $buildRoot/resource.img $out
  '';
}))